01976oam 2200613 450 991071605610332120210513131844.0(CKB)5470000002517544(OCoLC)1126106508(EXLCZ)99547000000251754420190910d1970 ua 0engurun|||||||||txtrdacontentcrdamediacrrdacarrierExplorationPortland, Ore :U.S. Department of the Interior, Bureau of Land Management, Portland Service Center,1970.1 online resource (1 page)Technical note / Bureau of Land Management ;[70]"Date issued: June 1970.""Filing code: 3000.""Mailing list 2."Exploration Mines and mineral resourcesSouthwestern StatesIgneous rocksSouthwestern StatesAnalysisCopper oresSouthwestern StatesAnalysisPorphyrySouthwestern StatesAnalysisCopper oresAnalysisfastIgneous rocksAnalysisfastMines and mineral resourcesfastPorphyryfastUnited StatesSouthwestern StatesfastRecords and correspondence.fastMines and mineral resourcesIgneous rocksAnalysis.Copper oresAnalysis.PorphyryAnalysis.Copper oresAnalysis.Igneous rocksAnalysis.Mines and mineral resources.Porphyry.United States.Bureau of Land Management.Portland Service Center,BHLMRBHLMROCLCOINARCOCLCOOCLCAGPOBOOK9910716056103321Exploration1885756UNINA